<SEC-DOCUMENT>0001213900-21-003801-index.html : 20210122
<SEC-HEADER>0001213900-21-003801.hdr.sgml : 20210122
<ACCEPTANCE-DATETIME>20210122172747
ACCESSION NUMBER:		0001213900-21-003801
CONFORMED SUBMISSION TYPE:	SUPPL
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210122
DATE AS OF CHANGE:		20210122
EFFECTIVENESS DATE:		20210122

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEABRIDGE GOLD INC
		CENTRAL INDEX KEY:			0001231346
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SUPPL
		SEC ACT:		
		SEC FILE NUMBER:	333-251081
		FILM NUMBER:		21547192

	BUSINESS ADDRESS:	
		STREET 1:		106 FRONT STREET EAST
		STREET 2:		SUITE 400
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5A 1E1
		BUSINESS PHONE:		416-367-9292

	MAIL ADDRESS:	
		STREET 1:		106 FRONT STREET EAST
		STREET 2:		SUITE 400
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5A 1E1
</SEC-HEADER>
<DOCUMENT>
<TYPE>SUPPL
<SEQUENCE>1
<FILENAME>ea133764-suppl_seabridge.htm
<DESCRIPTION>PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: ea133764-suppl_seabridge.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: image_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: image_002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image_003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: image_003.jpg

</DOCUMENT>
</SEC-DOCUMENT>